Year	Per 1000 Births
1960	37
1970	25
1980	16
1981	15.5
1982	14.6
1983	13.8
1984	13.1
1985	12.3
1986	11.5
1987	10.8
1988	10.1
1989	9.4
1990	8.8
1991	8.2
1992	7.7
1993	7.1
1994	6.6
1995	6.2
1996	5.8
1997	5.4
1998	5.2
1999	4.8
2000	4.5
2001	4.3
2002	4.1
2003	3.9
2004	3.7
2005	3.5
2006	3.3
2007	3.2
2008	3
2009	2.8
2010	2.7
2011	2.6
2012	2.4
2013	2.3
2014	2.2
2015	2.1